officiate

UK: əˈfɪʃ.i.eɪt | US: əˈfɪʃ.i.eɪt

Definition
  1. vi. to perform the duties of an official or leader, especially in a ceremony or event

  2. vt. to act as an official in charge of something, such as a game or religious service

Structure
offic <office>iate <verb suffix>offic <office>iate <verb suffix>
Etymology

The word "officiate" traces back to the Latin officium, reflecting the idea of performing formal duties. Over time, it evolved into Old French officier before entering English. The suffix -ate was added to form a verb, emphasizing the act of carrying out official functions, such as presiding over ceremonies or events.

Examples
  1. The priest will officiate at the wedding ceremony next Saturday.

  2. She was chosen to officiate the championship game due to her experience.

  3. The mayor officiated the groundbreaking event for the new hospital.

  4. He has officiated over 100 matches as a certified referee.

  5. Who will officiate the annual awards dinner this year?